J0023+0307

taken from 1 paper(s):

/D.S.Aguado et al.(2018)/

D.S.Aguado et al.,ApJ, 854, L34, 2018(ADS)

J0023+0307: A Mega Metal-poor Dwarf Star from SDSS/BOSS


Stellar Parameters

Teff : 6188+-84 log g : 4.9+-0.5 vturb : 2

Chemical Abundances

Original Data Converted Data Asplund et al. (2009)
Element Nline [X/H] [X/Fe] log-e [X/H] [X/Fe] log-e Element
CN/A......<6.3<-2.13<4.47<6.3C
FeN/A<-6.6......<-6.60...<0.90Fe

Binary Parameters

Vrad -110+-9

Position

Right Ascension : 00 23 14.00 Declination : +03 07 58.07 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2016-10-30 N/A WHTISIS 2400 170 124200 -110+-9
2016-12-31 N/A OSIRISGTC N/A 60 13000 N/A